Swiss software engineer and cloud architecture specialist Marco Gerber enjoys getting hands-on with tech in his free time as well as at work. His expertise in machine learning led him to recognise the potential for a handheld AI device that could describe the surrounding environment, which would be particularly useful as an accessibility tool for people with hearing or visual impairments. His idea was to develop a ‘point-and-shoot’ device that would provide an audio description of the user’s surroundings. The result was the Raspberry Pi Zero 2 W–based Hear The World device, which offers both text and spoken descriptions alongside haptic feedback.

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